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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (361): Round Shape 10 mm Gems Clear All
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ID: 4173862 pcs
thumb image of 7.9ct Round Buff-Top Lemon Quartz (ID: 417386)
7.90 ct Quartz
10.2 mm
$ 15.80
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ID: 4230955 pcs
thumb image of 35.5ct Drilled Sphere Colorless Golden Rutile Quartz (ID: 423095)
35.51 ct Rutile Quartz
10.1 mm
$ 35.51
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ID: 4231407 pcs
thumb image of 53ct Drilled Sphere Brown Smoky Quartz (ID: 423140)
52.98 ct Smoky Quartz
10.3 mm
$ 76.82
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ID: 3839224 pcs
thumb image of 17.9ct Round Rose-Cut Black Spinel (ID: 383922)
17.89 ct Spinel
10.1 mm
$ 53.67
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ID: 3890951 pcs
thumb image of 4.5ct Round Facet White Topaz (ID: 389095)
4.50 ct Topaz
10 mm
$ 22.50
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ID: 4265062 pcs
thumb image of 9.2ct Round Rose-Cut Black Spinel (ID: 426506)
9.18 ct Spinel
10.2 mm
$ 32.13
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ID: 4269272 pcs
thumb image of 8.6ct Round Rose-Cut Black Spinel (ID: 426927)
8.61 ct Spinel
10.2 mm
$ 30.14
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ID: 4173992 pcs
thumb image of 8.1ct Round Buff-Top Lemon Quartz (ID: 417399)
8.05 ct Quartz
10.2 mm
$ 16.10
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ID: 4269132 pcs
thumb image of 10.1ct Round Rose-Cut Black Spinel (ID: 426913)
10.08 ct Spinel
10.2 mm
$ 35.28
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ID: 3839732 pcs
thumb image of 8.8ct Round Rose-Cut Black Spinel (ID: 383973)
8.79 ct Spinel
10.1 mm
$ 26.37
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ID: 4431831 pcs
thumb image of 6.1ct Round Cabochon Golden Green Cat's Eye Apatite (ID: 443183)
6.08 ct Cat's Eye Apatite
9.8 mm
$ 91.14
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ID: 4230786 pcs
thumb image of 43.9ct Drilled Sphere Brown Smoky Quartz (ID: 423078)
43.90 ct Smoky Quartz
10.1 mm
$ 63.65
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ID: 4230796 pcs
thumb image of 43.8ct Drilled Sphere Brown Smoky Quartz (ID: 423079)
43.78 ct Smoky Quartz
9.9 mm
$ 63.48
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ID: 4431841 pcs
thumb image of 6.1ct Round Cabochon Greenish Golden Cat's Eye Apatite (ID: 443184)
6.11 ct Cat's Eye Apatite
10 mm
$ 91.59
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ID: 3283641 pcs
thumb image of 4.7ct Round Cabochon Multicolor Ruby-Zoisite (ID: 328364)
4.73 ct Ruby-Zoisite
9.7 mm
$ 10.84
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ID: 4431861 pcs
thumb image of 6.3ct Round Cabochon Greenish Golden Cat's Eye Apatite (ID: 443186)
6.34 ct Cat's Eye Apatite
10.1 mm
$ 95.04
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ID: 4173792 pcs
thumb image of 7.7ct Round Buff-Top Lemon Quartz (ID: 417379)
7.73 ct Quartz
10.2 mm
$ 15.46
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ID: 4244601 pcs
thumb image of 6ct Round Cabochon Golden Green Cat's Eye Apatite (ID: 424460)
6.02 ct Cat's Eye Apatite
9.9 mm
$ 60.20
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ID: 3217274 pcs
thumb image of 27.7ct Half-Drilled Sphere Smoky Brown Smoky Quartz (ID: 321727)
27.69 ct Smoky Quartz
10.1 mm
$ 24.72
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ID: 3839254 pcs
thumb image of 16.5ct Round Rose-Cut Black Spinel (ID: 383925)
16.54 ct Spinel
10.1 mm
$ 49.62
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ID: 4180601 pcs
thumb image of 4.5ct Round Cabochon Cream Star Moonstone (ID: 418060)
4.52 ct Star Moonstone
10.2 mm
$ 18.08
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Round Shape 10 mm Gems
Some people by gems by color or price, but for many, it is best to buy gems by shape and size - especially if you're in need of a gem to replace a previous item that was lost or damaged. Calibrated Round shapes, facet cut and cabochon gems available now in 10 mm diameter size range. Shop a wide range of calibrated gemstones by size online at wholesale from GemSelect.

As a general guideline, when it comes to 'calibrated' gems, they are not usually expected to be cut to exact measurements. For calibrated gemstones weighing under one carat, most jewelry settings will accommodate a gem which is within 0.2 mm of the calibrated size in order to fit a standard setting. For gemstones that weigh over one carat, a larger variance is acceptable, often around 0.3 mm or slightly higher even. This small variance can usually be accommodated for standard style settings. Round-cut gemstones should also have a greater variance in acceptable size when it comes to calibration; in fact it is usually possible to mount a round stone of any size in the closest standard setting.

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Size and Weight

Gems are always measured in Millimeter (mm)

Dimensions are given as;
length x width x depth,
except for round stones which are;
diameter x depth

Select gems by size, not by weight!
Gem varieties vary in density, so carat weight is not a good indication of size

Note: 1ct = 0.2g

Size Comparison Chart